My question is not about pre-employment or legal polygraphs.  My wife doesn't believe something I told her. Its' not about cheating or anything, it's just about something a family member told me, then when she asked them they denied ever having the conversation with me.  She just can't believe that the family member would have said that & this may cause a separation.  I want to get a polygraph to prove to her I'm not lying.  What type of control questions would they give me?  I have nothing to hide, so I wouldn't have any need to conceal (thus lie) on any control questions.  Also, if I'm 32 & they ask if I was born in 1968, thus I say no, what is supposed to happen on the polygraph?  If I'm honest; I'd think nothing would change.  Does our body react different to a no vs yes response? Or is it the fact that I have think for a second about the question?   

Thanks

When spiking your body's response to control questions, should you lie or tell the truth when answering the control questions?

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The only question among those you listed that would be a "control" or comparison question is, "Have you ever taken something that did not belong to you?"